下面给各位整理一个C语言根据MAC地址查找网卡并修改IP地址的例子,希望这个例子可以帮助到各位朋友.
#include
#include
#include
#include
#include
#include "setupapi.h"
#include
#pragma comment(lib, "IPHLPAPI.lib")
#pragma comment(lib, "setupapi.lib")
#define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
#define FREE(x) HeapFree(GetProcessHeap(), 0, (x))
/* Note: could also use malloc() and free() */
BOOL GetAdapterInfo(LPCTSTR lpszAdapterName, PIP_ADAPTER_INFO pAdapterInfo);
BOOL SetIP(LPCTSTR lpszAdapterName, int nIndex, LPCTSTR pIPAddress, LPCTSTR pNetMask, LPCTSTR pNetGate);
BOOL RestartNetwork(LPCTSTR lpszAdapterName);
int __cdecl main()
{
LPCTSTR lpszMAC = "DE-AD-DE-ED-9A-05";
LPCTSTR lpszIP = "10.3.3.145";
LPCTSTR lpszMask = "255.255.252.0";
LPCTSTR lpszGateway = "10.3.0.5";
IP_ADAPTER_INFO AdapterInfo;
BOOL bResult = GetAdapterInfo(lpszMAC, &AdapterInfo);
if (bResult) {
printf("Get adapter information successfuly!\nAdapterName:%s\nnDescription:%s\nIndex:%d\n", AdapterInfo.AdapterName, AdapterInfo.Description, AdapterInfo.Index);
BOOL bResult = SetIP(AdapterInfo.AdapterName, AdapterInfo.Index, lpszIP, lpszMask, lpszGateway);
printf("result:%d", bResult);
}
return 0;
}
BOOL GetAdapterInfo(LPCTSTR lpszMAC, PIP_ADAPTER_INFO pRetAdapterInfo)
{
PIP_ADAPTER_INFO pAdapterInfo;
PIP_ADAPTER_INFO pAdapter = NULL;
DWORD dwRetVal = 0;
UINT i;
ULONG ulOutBufLen = sizeof (IP_ADAPTER_INFO);
pAdapterInfo = (IP_ADAPTER_INFO *)MALLOC(sizeof (IP_ADAPTER_INFO));
if (pAdapterInfo == NULL) {
printf("Error allocating memory needed to call GetAdaptersinfo\n");
return 1;
}
// Make an initial call to GetAdaptersInfo to get
// the necessary size into the ulOutBufLen variable
if (GetAdaptersInfo(pAdapterInfo, &ulOutBufLen) == ERROR_BUFFER_OVERFLOW) {
FREE(pAdapterInfo);
pAdapterInfo = (IP_ADAPTER_INFO *)MALLOC(ulOutBufLen);
if (pAdapterInfo == NULL) {
printf("Error allocating memory needed to call GetAdaptersinfo\n");
return 1;
}
}
if ((dwRetVal = GetAdaptersInfo(pAdapterInfo, &ulOutBufLen)) == NO_ERROR) {
pAdapter = pAdapterInfo;
while (pAdapter) {
CHAR szMAC[18] = { 0 };
for (i = 0; i < pAdapter->AddressLength; i ) {
if (i == (pAdapter->AddressLength - 1))
sprintf(szMAC i * 3, "%.2X", (int)pAdapter->Address[i]);
else
sprintf(szMAC i * 3, "%.2X-", (int)pAdapter->Address[i]);
}
if (strcmp(szMAC, lpszMAC) == 0) {
memcpy(pRetAdapterInfo, pAdapter, sizeof(IP_ADAPTER_INFO));
if (pAdapterInfo)
FREE(pAdapterInfo);
return TRUE;
}
pAdapter = pAdapter->Next;
}
}
else {
printf("GetAdaptersInfo failed with error: %d\n", dwRetVal);
return FALSE;
}
if (pAdapterInfo)
FREE(pAdapterInfo);
return FALSE;
}
BOOL RestartNetwork(LPCTSTR lpszAdapterName)
{
LPCTSTR lpszNetworkName = "本地连接";
// 获取网络连接名称用于netsh命令
HKEY hKey;
std::string strKeyName = "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\";
strKeyName = lpszAdapterName;
strKeyName = "\\Connection";
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
strKeyName.c_str(),
0,
KEY_QUERY_VALUE,
&hKey) != ERROR_SUCCESS)
return FALSE;
CHAR szNetworkName[32] = { 0 };
DWORD dwSize = 32;
DWORD dwResult = RegQueryValueEx(hKey, "Name", NULL, NULL, (LPBYTE)szNetworkName, &dwSize);
printf("Name:%s", szNetworkName);
CHAR szCommand[128] = { 0 };
sprintf(szCommand, "netsh interface set interface name=\"%s\" admin=DISABLED", lpszNetworkName);
system(szCommand);
sprintf(szCommand, "netsh interface set interface name=\"%s\" admin=ENABLED", lpszNetworkName);
system(szCommand);
RegCloseKey(hKey);
return TRUE;
}
#if 1
BOOL SetIP(LPCTSTR lpszAdapterName, int nIndex, LPCTSTR pIPAddress, LPCTSTR pNetMask, LPCTSTR pNetGate)
{
HKEY hKey;
std::string strKeyName = "SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces\\";
strKeyName = lpszAdapterName;
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
strKeyName.c_str(),
0,
KEY_WRITE,
&hKey) != ERROR_SUCCESS)
return FALSE;
char mszIPAddress[100];
char mszNetMask[100];
char mszNetGate[100];
strncpy(mszIPAddress, pIPAddress, 98);
strncpy(mszNetMask, pNetMask, 98);
strncpy(mszNetGate, pNetGate, 98);
int nIP, nMask, nGate;
nIP = strlen(mszIPAddress);
nMask = strlen(mszNetMask);
nGate = strlen(mszNetGate);
*(mszIPAddress nIP 1) = 0x00;
nIP = 2;
*(mszNetMask nMask 1) = 0x00;
nMask = 2;
*(mszNetGate nGate 1) = 0x00;
nGate = 2;
DWORD dwLastError = 0;
RegSetValueEx(hKey, "EnableDHCP", 0, REG_DWORD, (LPBYTE)&dwLastError, sizeof(DWORD));
RegSetValueEx(hKey, "IPAddress", 0, REG_MULTI_SZ, (unsigned char*)mszIPAddress, nIP);
RegSetValueEx(hKey, "SubnetMask", 0, REG_MULTI_SZ, (unsigned char*)mszNetMask, nMask);
RegSetValueEx(hKey, "DefaultGateway", 0, REG_MULTI_SZ, (unsigned char*)mszNetGate, nGate);
RegCloseKey(hKey);
RestartNetwork(lpszAdapterName);
return TRUE;
}
#endif